Anti-interference method and device for a wireless communication system

Abstract

An anti-interference method and device for a wireless communication system. The method includes: receiving a RF signal; analyzing the RF signal to obtain the power variation characteristic of the RF signal; and determining a gain control method according to the power variation characteristic of the RF signal. The anti-interference methods and devices according to the embodiments of the present invention can ensure the communication quality of the wireless communication system in a case that there is strong burst interference.

We claim: 
     
       1. A computer implemented method for anti-interference for a wireless communication system, wherein the computer includes a processor communicatively coupled to a memory, the method comprising the steps of:
 receiving a RF signal; 
 analyzing said RF signal to obtain the power variation characteristic of said RF signal; and 
 determining a gain control method according to the power variation characteristic of said RF signal; 
 wherein analyzing said RF signal to obtain the power variation characteristic of said RF signal comprises: acquiring the maximum RF signal level and the average RF signal level of said RF signal; and calculating the ration of the maximum RF signal level to the average RF signal level; and 
 wherein determining a gain control method according to the power variation characteristic of said RF signal comprises: comparing said ratio with a first threshold value; and in response to said ratio being less than the first threshold value enabling the Auto Gain Control (AGC), and in response to said ratio being larger than or equal to the first threshold value enabling the Fixed Gain control (FGC). 
 
     
     
       2. An anti-interference device for a wireless communication system, comprising:
 a receiving module configured to receive a RF signal; 
 an analyzing module configured to analyze said RF signal to obtain the power variation characteristic of said RF signal; and 
 a determining module configured to determine a gain control method according to the power variation characteristic of said RF signal 
 wherein the analyzing module comprises: a first acquiring module configured to acquire the maximum RF signal level and the average RF signal level of said RF signal; and a first calculating module configured to calculate a ratio of the maximum RF signal level to the average RF signal level; and 
 wherein the determining module comprises: a first comparing module configured to compare said ratio with a first threshold value; a first Auto Gain Control (AGC) module configured to, in response to said ratio being less than the first threshold value, enable the AGC; and a first Fixed Gain Control (FGC) module configured to, in response to said ratio being larger than or equal to the first threshold value, enable the FGC.